CVE-2025-21774

CVSS 3.1 Score 5.5 of 10 (medium)

Details

Published Feb 27, 2025

Updated: Mar 5, 2025

CWE ID 476

Summary

CVE-2025-21774 is a vulnerability affecting the Linux kernel. In the function "can: rockchip: rkcanfd_handle_rx_fifo_overflow_int()", a NULL pointer check was missing, allowing the function to continue if an skb (Socket Buffer) could not be allocated. This issue could potentially lead to a kernel crash or even allow an attacker to exploit the vulnerability for malicious purposes. The vulnerability has been addressed by adding a NULL pointer check before attempting to allocate the skb.

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Linux Kernel

Affected Vendors

LINUX

Advisories, Assessments, and Mitigations

https://app.recordedfuture.com/live/sc/entity/3xoDAT
https://www.cve.org/CVERecord?id=CVE-2025-21774
https://nvd.nist.gov/vuln/detail/CVE-2025-21774

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